Commercial Generator Services

Reliable Generator Installation, Repair, and Maintenance for Columbia, SC Businesses

Power outages can disrupt operations, cause data loss, and impact revenue. With a reliable commercial generator, your business can remain operational during blackouts, storms, or power grid failures. On Call Plumbing, Heating & Air offers expert commercial generator installation, repair, and maintenance services, ensuring your business stays powered and protected in any situation.

Serving Columbia, SC and surrounding areas, we provide customized generator solutions for
various commercial properties, from office buildings to industrial facilities. Whether you need a
new generator installed, emergency repairs, or routine maintenance, our experienced team is
ready to meet your needs.

Commercial Generator Installation

Having the right generator in place can make all the difference when the power goes out. Our team specializes in custom generator installation, ensuring your business remains powered during outages.

Our Commercial Generator Installation Services Include:

Custom Generator Sizing and Installation

Every business has unique power requirements, and we’ll help you choose the best generator for your specific needs. Our experts will assess your building’s power demands and recommend the right generator size and type, including diesel, natural gas, or propane-powered generators.

  • Backup Power Solutions: We offer backup generators to provide reliable power during outages, ensuring your business continues to operate without interruption.
  • Automatic Transfer Switch Installation: Our team installs automatic transfer switches, which enable your generator to switch seamlessly between grid power and generator power, reducing downtime and keeping your systems running smoothly.

Compliance with Local Codes

We ensure all generator installations meet local building codes and safety regulations. This helps protect your business from fines and ensures the safety of your employees and equipment.

Commercial Generator Repair

A faulty generator can leave your business vulnerable during a power outage. Our team provides fast, professional generator repair services to address any issues and keep your business running without disruption.

Common Generator Problems We Repair:

  • Starting Problems: If your generator won’t start or struggles to stay on, we’ll troubleshoot and resolve the issue quickly.
  • Fuel System Failures: We diagnose and repair problems with the fuel system, including leaks, clogs, or issues with fuel delivery.
  • Battery Failures: Dead or weak batteries can prevent your generator from starting. We’ll test and replace the battery if needed.
  • Overheating and Shutdowns: If your generator overheats or shuts down unexpectedly, we’ll inspect the cooling system and sensors to find and fix the problem.
  • Electrical Issues: From wiring problems to malfunctioning control panels or transfer switches, we’ll repair electrical components to restore your generator’s functionality.

24/7 Emergency Generator Repairs

Power outages can happen at any time, and a broken generator can disrupt your business. That’s why we offer 24/7 emergency repair services to ensure your generator is back online as soon as possible. Our team responds quickly to minimize downtime and get your systems back up and running.

Commercial Generator Maintenance

Regular maintenance is essential for keeping your generator ready to perform when it’s needed most. Our generator maintenance services are designed to prevent unexpected breakdowns and ensure your system operates reliably during power outages.

Our Generator Maintenance Services Include:

  • Routine Inspections: We perform detailed inspections of your generator system, checking for wear and tear, potential issues, and overall performance.
  • Oil, Filter, and Coolant Changes: Regular oil and filter changes are critical for maintaining your generator’s efficiency. We also check coolant levels and replace them as necessary.
  • Battery Testing and Replacement: We’ll test the battery’s charge and replace it if needed to ensure your generator starts reliably.
  • Fuel Quality Testing: For diesel and natural gas generators, we test fuel quality and ensure proper fuel storage and delivery.
  • Load Testing: To ensure your generator can handle your business’s power demands, we perform load tests to verify its performance under full power conditions.
  • Transfer Switch Testing: We’ll test the automatic transfer switch to ensure it’s functioning properly, allowing for seamless transitions during outages.

Preventive Maintenance Plans

To avoid costly repairs and ensure your generator is always ready, we offer custom preventive maintenance plans tailored to your business’s needs. Choose from monthly, quarterly, or annual maintenance schedules based on your generator usage and power needs.

Why Choose On Call Plumbing, Heating & Air for Commercial Generator Services?

  • Experienced Technicians: Our team has extensive experience with commercial generators of all sizes and types. We provide expert installation, repair, and maintenance to ensure your system is reliable.
  • 24/7 Emergency Service: Power outages can happen at any time. Our 24/7 emergency repair services ensure that your generator is up and running quickly, minimizing business interruptions.
  • Custom Solutions: We design and install generator systems tailored to your business’s specific power requirements, ensuring seamless operation during outages.
  • Preventive Maintenance Plans: Our routine maintenance services help prevent breakdowns, extend the life of your generator, and ensure your system is ready when you need it most.
  • Industries We Serve: We provide generator services for a wide range of commercial properties, including office buildings, retail stores, restaurants, industrial facilities, healthcare centers, and schools.

Call Us for Reliable Commercial Generator Services Today

Ensure your business stays powered and protected with expert commercial generator installation, repair, and maintenance services from On Call Plumbing, Heating & Air. Whether you need a new generator, emergency repairs, or regular maintenance, we’re here to help.

Call us today at (803) 781-4357 to schedule a consultation or request service.

Frequently Asked Questions


How do I choose the right size generator for my business?

We will assess your building’s power requirements, taking into account the size, number of critical systems, and power load, to recommend the appropriate generator size. Proper sizing ensures your generator can handle your business’s needs without overloading or underperforming.


Still have questions? Give us a call! (803) 871-9131

What is included in a generator maintenance plan?

Our maintenance plans include routine inspections, oil and filter changes, battery testing, fuel quality checks, load testing, and transfer switch testing. We customize the plan based on your specific generator and business needs.

Do you offer emergency generator repair services?

Yes! We offer 24/7 emergency repair services to quickly address any generator issues and restore power to your business during outages.

What types of generators do you install for commercial properties?

We install a variety of generator types, including diesel, natural gas, and propane-powered generators. Our team will help you choose the best option based on your power needs and building requirements.

How often should I have my commercial generator serviced?

We recommend having your generator serviced at least twice a year to ensure it’s in good working order, especially before storm seasons. Regular maintenance prevents unexpected failures and ensures your system is ready when needed.